Preventive detention may stand despite parallel criminal prosecution where repeated violent conduct affects public order, not mere law and order.

Preventive detention is not invalid merely because arrest follows the detention order after a gap, and omission to use proclamation or attachment procedures under the Code of Criminal Procedure does not by itself defeat the detention. Conduct involving repeated armed trespass, looting, and intimidation may amount to a disturbance of public order where its degree and impact shake public confidence and create panic, even if the same acts also constitute ordinary offences. The availability of criminal prosecution for past acts does not bar preventive detention, because punishment for crime and prevention of future prejudicial conduct operate in different fields.

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Issues: (i) Whether the delay in effecting arrest after the detention order, and the non-use of the proclamation and attachment procedure under the Code of Criminal Procedure, invalidated the detention; (ii) Whether the detention grounds disclosed only ordinary law and order offences or a disturbance of public order within the preventive detention law; (iii) Whether the detenu's liability to criminal prosecution barred detention under the preventive detention statute.

Issue (i): Whether the delay in effecting arrest after the detention order, and the non-use of the proclamation and attachment procedure under the Code of Criminal Procedure, invalidated the detention.

Analysis: The gap between the order and arrest did not by itself show absence of satisfaction or mala fides. The proclamation and attachment provisions were meant for warrants issued by courts and were not directly attracted to detention orders made under the preventive detention law. Even on the assumption that such steps could be resorted to, their omission did not render the detention illegal.

Conclusion: The detention was not invalid on account of the delay in arrest or the omission to invoke the criminal procedure provisions.

Issue (ii): Whether the detention grounds disclosed only ordinary law and order offences or a disturbance of public order within the preventive detention law.

Analysis: The grounds disclosed repeated acts of armed trespass, looting, and terrorising railway protection personnel as part of an organised pattern. The decisive test was the degree and reach of the disturbance, not the label attached to the offence. Acts that shook public confidence in the safety of railway property and created panic in the area were held to affect public order rather than merely private or ordinary law and order.

Conclusion: The grounds were sufficient to bring the case within the scope of preventive detention on the basis of public order.

Issue (iii): Whether the detenu's liability to criminal prosecution barred detention under the preventive detention statute.

Analysis: The preventive law and the criminal law of punishment operate in different fields. The existence of liability for trial and punishment for past offences does not preclude detention to prevent future prejudicial acts based on the same conduct.

Conclusion: The availability of criminal prosecution did not bar the detention.

Final Conclusion: The detention was upheld and the petition failed on all the substantive challenges raised.

Ratio Decidendi: Preventive detention is valid where the conduct, judged by its degree and impact on the community, affects public order and creates a basis for preventing future prejudicial acts, even if the same conduct may also constitute offences triable in criminal law.

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